*{
 		margin: 0;
 		padding: 0;
 	}
 	.box {
 		width: 500px;
 		height: 100px;
 		margin:50px auto;
 		overflow: hidden;	
 		position: relative;
 	}
 	.boxSonUl{
 		height: 100px;
 	}
 	.boxSonUl li{
 		float: left;
 		width: 100px;
 		height: 100px;
 		list-style: none;
 		line-height: 100px;
 		text-align: center;
 		border:1px solid #ccc;
 		box-sizing: border-box;
 	}
 	.boxArrow{
 		width: 100%;
 		position: absolute;
 		top: 50%;
 		transform: translate(0, -50%);
 	}
 	.boxArrow a{
 		color: #f00;
 		width: 49.5%;
 		font-size: 26px;
 		text-align: left;
 		display:inline-block;
 		text-decoration: none;

 	}
 	.boxArrow a:last-child{
 		text-align: right;
 	}